Answer / k.prakashchandra

Use a wire gauge or measure the diameter using a screw gauge
and find the corresponding number in the chart.

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power

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Why neutral has to switch on-off with phase in TN IT TT systems i.e neutral should be taken as fourth pole

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What is meant by impedance? difference between high & low impedance ?

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what types battery chargers are there?wanted with details.

3 Answers   SCS,

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Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

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How to select the rating of the Transformer?

2 Answers  

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What are Line losses and how can be it minimized/controlled.?

2 Answers   Omega, XYZ,

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Master trip relay code no

2 Answers   TR,

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how we find transformer capacity by ohm

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what is entropy?

3 Answers   NTPC,

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why the AC or DC motor takes high starting current?

2 Answers  

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